EP2822796B1 - Verstellbares und rekonfigurierbares kopfarraysystem für einen angetriebenen rollstuhl - Google Patents

Verstellbares und rekonfigurierbares kopfarraysystem für einen angetriebenen rollstuhl Download PDF

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Publication number
EP2822796B1
EP2822796B1 EP12870919.3A EP12870919A EP2822796B1 EP 2822796 B1 EP2822796 B1 EP 2822796B1 EP 12870919 A EP12870919 A EP 12870919A EP 2822796 B1 EP2822796 B1 EP 2822796B1
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EP
European Patent Office
Prior art keywords
head array
lateral arm
sensor
lateral
array system
Prior art date
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Active
Application number
EP12870919.3A
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English (en)
French (fr)
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EP2822796A1 (de
EP2822796A4 (de
Inventor
Johannes Engelmundus Leonardus Mathias JOSTEN
Jeremy Michael SEDLAK
Hymie Pogir
Hans Leon FRAEYMAN
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Permobil AB
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Permobil AB
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Publication of EP2822796A1 publication Critical patent/EP2822796A1/de
Publication of EP2822796A4 publication Critical patent/EP2822796A4/de
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K26/00—Arrangements or mounting of propulsion unit control devices in vehicles
    • B60K26/02—Arrangements or mounting of propulsion unit control devices in vehicles of initiating means or elements
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/12—Rests specially adapted therefor, e.g. for the head or the feet
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/12—Rests specially adapted therefor, e.g. for the head or the feet
    • A61G5/121—Rests specially adapted therefor, e.g. for the head or the feet for head or neck
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/04—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs motor-driven
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/1005—Wheelchairs having brakes
    • A61G5/1035—Wheelchairs having brakes manipulated by wheelchair user
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/80—Other vehicles not covered by groups B60Y2200/10 - B60Y2200/60
    • B60Y2200/84—Wheelchairs

Definitions

  • Certain embodiments of the invention relate to a reconfigurable and adjustable head array system for use with power wheelchairs.
  • Head array devices allow a user of a power wheelchair to control various functions (also referred to as modes) of the wheelchair and other connected components.
  • a head array may allow a user to activate switches or sensors using the user's head to drive the wheelchair, elevate, tilt and/or recline the wheelchair seat, and control the wheelchair leg rests.
  • a head array can allow a user to activate switches or sensors using the user's head to interact with a computer by moving a mouse, for example.
  • a head array may allow a user to activate switches or sensors using the user's head to open doors and interact with patient rehabilitation equipment, among other things.
  • a head array can allow a user to perform an emergency stop of the power wheelchair, for example.
  • Existing head array devices typically include one to three main switches or sensors in a headrest.
  • a first switch or sensor is typically integrated into a rear headrest of the head array, which is commonly referred to as an occipital pad.
  • the occipital pad can be mounted to a head array base structure that is mounted to the power wheelchair.
  • Optional second and third switches or sensors may be integrated into headrest wings that extend on one or both sides of a user's head.
  • the optional second and third switches or sensors can be integrated into pads that are held in place on one or both sides of a user's head using head array lateral arms that attach to the head array base structure.
  • an additional mode switch or sensor may also be held in place on one side of a user's head using an additional head array lateral arm that attaches to the head array base structure.
  • the first sensor integrated into the rear of the headrest can allow the user to drive straight forward or straight backward depending on the selected mode.
  • the second sensor on the left side of the user's head and a third sensor on the right side of the user's head may allow a user to turn left and right, respectively.
  • the mode switch can allow a user to switch between driving forward and driving backward. Additionally, the mode switch may allow a user to switch to other modes, such as performing an emergency stop, adjusting the wheelchair seat or leg rests, controlling a computer mouse, opening doors, and interacting with patient rehabilitation equipment, for example.
  • the length of the lateral arms may not be adjustable. Instead, the lateral arms once positioned for a particular user are cut to a specific length.
  • Other existing head array devices may include adjustable lateral arms where the unused sections of the lateral arms extend behind the headrest.
  • the unused lateral arm section may present a hazard in that other objects in the user's environment may hook, snag or otherwise make contact with the unused lateral arm sections extending behind the headrest.
  • existing head array devices cannot change the configuration of the lateral sensor arms in relation to each other and to a mode switch arm.
  • a clinician, technician or caregiver fitting the head array for the user cannot move a right lateral sensor arm to the left side.
  • a mode switch is attached to the head array base structure below a right lateral arm, a clinician, technician or caregiver cannot remove the mode switch arm and right lateral sensor arm and reattach the mode switch arm above the right lateral arm.
  • current head array devices are typically custom ordered and are not capable of alteration. As such, a new head array would need to be ordered if a different configuration was needed for or desired by a user. Additionally, because the lateral arms of existing head array devices are not easily removable, the existing head array devices are more difficult to clean.
  • head array devices are exempt from various regulations such as, for example, electromagnetic compatibility (EMC), electromagnetic interference (EMI), and electrostatic discharge (ESD) standards because head arrays are considered an aftermarket accessory.
  • EMC electromagnetic compatibility
  • EMI electromagnetic interference
  • ESD electrostatic discharge
  • Current head array devices do not meet the regulations set forth in EMC, EMI and ESD, among others.
  • head array devices are exempt from complying with those and other standards, compliance with the standards results in safer head array devices.
  • existing head array devices may include a single sensor in the occipital pad of the head array.
  • perspiration, hair product or other moisture may soak the occipital pad, creating a conductive mass that causes unintentional activation of the sensor. Unintentional activation of the occipital pad sensor may be frustrating and hazardous for a user.
  • existing head array devices are bulky and have disorganized cable management with multiple cable connections at different points on or around the power wheelchair.
  • cables can be untidily attached to an outer surface of the lateral arms.
  • cables from different switches or sensors of existing head array devices may be routed to separate control boxes located at various locations on or around the power wheelchair.
  • An adjustable and reconfigurable power wheelchair head array system is provided, substantially as shown in and/or described in connection with at least one of the figures, as set forth more completely in the claims.
  • an adjustable and reconfigurable power wheelchair head array system comprising a head array body 20 and one or more lateral arms 60, 70.
  • the head array body 20 comprises shafts 21.
  • Each of the shafts 21 comprises lateral arm receiving sections.
  • the one or more lateral arms 60, 70 are detachably coupled to one of the lateral arm receiving sections of one of the shafts 21.
  • a head array system 10 for a power wheelchair comprising a head array body 20, one or more of a sensor 40, 50 and a switch 40, 50, and one or more lateral arms 60 operable to couple the one or more of the sensor 40, 50 and the switch 40, 50 to the head array body 20.
  • the one or more lateral arms 60 comprise a hollow, curved lateral arm tube 60 attached to the head array body 20, a curved telescoping extension 61 attached to the one or more of the sensor 40, 50 and the switch 40, 50, and a first securing mechanism 62.
  • the telescoping extension 61 is slidable from a selectable non-extended position, where the telescoping extension 61 is substantially housed within the lateral tube 60, to selectable extension positions at least partially outside of the lateral arm tube 60.
  • the first securing mechanism 62 is operable to lock the telescoping extension 61 into one or more of the selectable non-extended positions and the selectable extension positions.
  • a head array system 10 for a power wheelchair comprising a head array body 20 and an occipital pad.
  • the head array body 20 comprises a microprocessor configured to generate command signals in response to sensor activation signals.
  • the occipital pad is attached to the head array body 20 and comprises a plurality of sensors 30. Each of the plurality of sensors 30 is configured to transmit an activation signal to the microprocessor in response to sensor activation.
  • the microprocessor generates a command signal if the microprocessor receives the activation signal from all of the plurality of sensors 30 in the occipital pad, and disregards the activation signal if the microprocessor receives the activation signal from less than all of the plurality of sensors 30 in the occipital pad.
  • FIG. 1 is a diagram that illustrates a perspective view of an exemplary head array system 10 in accordance with an embodiment of the present invention.
  • the head array system 10 may comprise one or more of occipital pad sensors or switches 30, lateral sensors or switches 40, and mode sensors or switches 50.
  • Switches may be activated by applying a physical force to depress the switch, for example.
  • Sensors may be activated by detecting an object within proximity of the sensor, for example. As an example, if a user's head is detected within certain proximity of a sensor (e.g., approximately 0.25 inches or 6 millimeters, among other things), the sensor may be activated.
  • certain embodiments may refer to sensors, for example, unless so claimed, the scope of various aspects of the present invention should not be limited to sensors and may additionally and/or alternatively include switches as well, or vice versa.
  • occipital pad sensor(s) 30 are attached to head array body 20.
  • occipital pad sensor(s) 30 include two sensors in one or more occipital pads.
  • Occipital pad sensors 30 may be configured such that when both occipital pad sensors 30 are activated, a microprocessor (not shown) in head array body 20 receives the activation signals from the sensors 30 and generates a command signal corresponding to the activation of the sensors 30. In certain embodiments, if the microprocessor only receives an activation signal from one of the two sensors 30, the microprocessor does not generate a command signal.
  • occipital pad sensor 30 may reduce or prevent unintentional command signals to be generated at the microprocessor.
  • the microprocessor generates command signals in response to receiving activation signals from one or both of the occipital pad sensors 30.
  • occipital pad sensors 30 may comprise one or three sensors, among other things. Further, certain embodiments may omit the occipital pad sensors 30.
  • FIGS. 1-7 illustrate two exemplary lateral arm embodiments, a telescoping lateral arm embodiment 60 and a swivel lateral arm embodiment 70 as discussed in more detail below.
  • lateral sensors 40 are illustrated as attaching to head array body 20 using different lateral arm embodiments 60, 70, the various embodiments may use the same lateral arm embodiment or any combination of lateral arm embodiments.
  • two lateral sensors 40 are illustrated in FIGS. 1-7 , the use of more or less lateral sensors is also contemplated.
  • one or three lateral sensors 40 may be used and may be attached at either side of head array body 20 using lateral arms 60, 70.
  • certain embodiments may omit the lateral sensors 40 and lateral arms 60, 70.
  • an activation signal is sent via a cable, for example, that runs from the lateral sensor 40 to a microprocessor that may be housed in head array body 20.
  • the cable may be secured by one or more o-rings, or any other suitable securing mechanism(s), in a channel or groove 67 in lateral arm 60, 70 and/or lateral arm telescoping extension 61 to manage the cable and present a clean finish.
  • the microprocessor In response to receiving an activation signal from lateral sensor 40, the microprocessor generates a command signal corresponding to the activation of the sensor 40.
  • a selected head array mode is a power wheelchair forward drive mode
  • activation of a lateral sensor 40 on a user's left results in an activation signal being sent to the microprocessor, which generates a command signal that may command the power wheelchair to turn left, depending on the configuration of the sensors 30, 40, 50.
  • the command signal generated by the microprocessor may be provided to primary electronics (e.g., the power module) of the power wheelchair.
  • one or more mode switches 50 may be attached to one or both sides of head array body 20 via lateral arms 60, 70. Although one mode switch 50 is illustrated in FIGS. 1-7 , the use of more or less mode switches is contemplated. For example, two mode switches 50 may be used and may be attached at one or both sides of head array body 20 using lateral arms 60, 70. Also, certain embodiments may omit the mode switch 50 and corresponding lateral arm 60, 70. In response to activation of mode switch 50, an activation signal is sent via a cable, for example, that runs from the mode switch 50 to a microprocessor that may be housed in head array body 20.
  • the cable may be secured by one or more o-rings, or any other suitable securing mechanism(s), in a channel or groove 67 in lateral arm 60, 70 and/or lateral arm telescoping extension 61 to manage the cable and present a clean finish.
  • the microprocessor in response to receiving an activation signal from mode switch 50, may generate a command signal corresponding to the activation of the mode switch 50 and output the command signal to primary electronics (e.g., the power module) of the power wheelchair.
  • the command signal may be used by the primary electronics to alter the operating mode of the head array 10.
  • activation of mode switch 50 by a user results in an activation signal being sent to the microprocessor, which generates a command signal sent to primary electronics of the power wheelchair that may change the head array 10 operating mode from a power wheelchair forward drive mode to a power wheelchair reverse drive mode, among other things.
  • mode switch 50 activation of mode switch 50 by a user results in an activation signal being sent to the microprocessor, which generates a command signal sent to primary electronics of the power wheelchair that may change the head array 10 operating mode from a power wheelchair drive mode to a power wheelchair seat adjustment mode, among other things.
  • the microprocessor in response to receiving an activation signal from mode switch 50, may update an operating mode state in the corresponding microprocessor memory in response to receiving an activation signal from mode switch 50. For example, activation of mode switch 50 by a user results in an activation signal being sent to the microprocessor, which updates an operating mode state within the microprocessor memory that may change the head array 10 operating mode from a power wheelchair forward drive mode to a power wheelchair reverse drive mode, among other things. As another example, activation of mode switch 50 by a user results in an activation signal being sent to the microprocessor, which updates an operating mode state within the microprocessor memory that may change the head array 10 operating mode from a power wheelchair drive mode to a power wheelchair seat adjustment mode, among other things.
  • Telescoping lateral arm 60 for coupling sensor 40, 50 to head array body 20.
  • Telescoping lateral arm 60 is adjustable such that a position of sensor 40, 50 may be set and/or changed based on user, clinician, technician or caregiver preferences, for example.
  • Telescoping lateral arm 60 may be a rigid, curved, hollow tube comprising a telescoping extension 61, securing mechanisms 62-65 and/or rotational mechanisms 66, for example.
  • Telescoping extension 61 may be a rigid, curved tube that is housed substantially within telescoping lateral arm 60 when in a non-extended position and may extend at least in part from telescoping lateral arm 60 at varying extension lengths, for example.
  • Securing mechanism 62 may lock telescoping extension 61 at a clinician, technician or caregiver selectable length.
  • securing mechanism 62 may lock telescoping extension 61 in a non-extended position or at any suitable extension point when in an extended position.
  • the position of the sensor 40, 50 may be adjustable in a horizontal plane extending in a direction substantially from a rear of the head array 10 to the front of the head array 10.
  • Securing mechanism 62 may be a locking ring, clamp, bolt or any other suitable securing mechanism.
  • the securing mechanism 62 may be a toolless securing mechanism.
  • Securing mechanism 63 may secure sensor 40, 50 to telescoping extension 61 at rotational mechanism 66, for example.
  • Sensor 40, 50 may be removed for cleaning or replacement, among other things, by removing or unlocking, for example, securing mechanism 63. Additionally and/or alternatively, loosening or unlocking, for example, securing mechanism 63 may allow for rotation of sensor 40, 50 around rotational mechanism 66 such that the angle that sensor 40, 50 is presented toward a user's head is adjustable.
  • Sensor 40, 50 may be fixably secured at a selected angle by tightening or locking, for example, securing mechanism 63.
  • securing mechanism 63 may be a clamp, bolt or any other suitable securing mechanism.
  • the securing mechanism 63 may be a toolless securing mechanism.
  • Rotational mechanism 66 may be a ball joint or any other suitable rotational mechanism, for example.
  • securing mechanism 64 secures telescoping lateral arm 60 at a desired rotation allowing sensor 40, 50 to be adjustable in a vertical plane.
  • sensor 40, 50 may be adjusted higher or lower by rotating the curved telescoping lateral arm 60 when the securing mechanism 64 is unlocked, loosened, or the like.
  • securing mechanism 64 may be tightened or locked, for example, such that the curved telescoping lateral arm 60 is fixably secured at the selected rotation.
  • Securing mechanism 64 may be a clamp, bolt or any other suitable securing mechanism.
  • the securing mechanism 64 may be a toolless securing mechanism.
  • securing mechanism 65 may secure telescoping lateral arm 60 to head array body 20 at head array shaft 21, for example. Telescoping lateral arm 60 may be removed for cleaning, replacement, and/or reconfiguration of lateral arm 60 placement, among other things, by removing or unlocking, for example, securing mechanism 65. For example, a clinician, technician or caregiver may switch positions of sensor 40 and mode switch 50 by removing each of the lateral arms 60 and reattaching the lateral arms 60 at exchanged positions on head array shaft 21. Additionally and/or alternatively, loosening or unlocking, for example, securing mechanism 65 may allow for rotation of lateral arm 60 in a horizontal plane around head array shaft 21 such that the distance between sensor 40, 50 and a user's head is adjustable.
  • Lateral arm 60 may be fixably secured at a selected position by tightening or locking, for example, securing mechanism 65.
  • securing mechanism 65 may be a clamp, bolt or any other suitable securing mechanism.
  • the securing mechanism 65 may be a toolless securing mechanism.
  • Swiveling lateral arm 70 for coupling sensor 40, 50 to head array body 20.
  • Swiveling lateral arm 70 is adjustable such that a position of sensor 40, 50 may be set and/or changed based on user, clinician, technician or caregiver preferences, for example.
  • Swiveling lateral arm 70 may comprise a rod 71, securing mechanisms 73-75 and/or rotational mechanisms 72, for example.
  • Rod 71 may be a rigid tube, for example.
  • rod 71 may be hollow such that a cable running from sensor 40, 50 to the microprocessor in head array body 20 may be enclosed in hollow rod 71 to manage the cable and present a clean finish.
  • rod 71 may be a solid rod 71 such that a cable running from sensor 40, 50 to the microprocessor in head array body 20 may be detachably coupled to an outer surface of rod 71.
  • rod 71 may comprise a groove or channel such that the cable may be secured by one or more o-rings, or any other suitable securing mechanism(s), in the groove or channel of rod 71 to manage the cable and present a clean finish.
  • Securing mechanism 73 may secure sensor 40, 50 to one end of rod 71 at rotational mechanism 72, for example.
  • Sensor 40, 50 may be removed for cleaning or replacement, among other things, by removing or unlocking, for example, securing mechanism 73. Additionally and/or alternatively, loosening or unlocking, for example, securing mechanism 73 may allow for rotation of sensor 40, 50 around rotational mechanism 72 such that the angle that sensor 40, 50 is presented toward a user's head is adjustable.
  • Sensor 40, 50 may be fixably secured at a selected angle by tightening or locking, for example, securing mechanism 73.
  • securing mechanism 73 may be a clamp, bolt or any other suitable securing mechanism.
  • the securing mechanism 73 may be a toolless securing mechanism.
  • Rotational mechanism 72 may be a ball joint or any other suitable rotational mechanism, for example.
  • securing mechanism 74 secures rod 71 at a desired rotation using rotational mechanism 72 to allow sensor 40, 50 to be adjustable in vertical and horizontal planes.
  • sensor 40, 50 may be adjusted higher or lower and nearer or farther from a user's head by rotating the rod 71 at rotational mechanism 72 when the securing mechanism 74 is unlocked, loosened, or the like.
  • securing mechanism 74 may be tightened or locked, for example, such that the rod 71 is fixably secured at the selected rotation.
  • Securing mechanism 74 may be a clamp, bolt or any other suitable securing mechanism.
  • the securing mechanism 74 may be a toolless securing mechanism.
  • Rotational mechanism 72 may be a ball joint or any other suitable rotational mechanism, for example.
  • securing mechanism 75 may secure swiveling lateral arm 70 to head array body 20 at head array shaft 21, for example.
  • Swiveling lateral arm 70 may be removed for cleaning, replacement, and/or reconfiguration of lateral arm 70 placement, among other things, by removing or unlocking, for example, securing mechanism 75.
  • a clinician, technician or caregiver may switch positions of sensor 40 and mode switch 50 by removing each of the lateral arms 60, 70 and reattaching the lateral arms 60, 70 at exchanged positions on head array shafts 21.
  • loosening or unlocking, for example, securing mechanism 75 may allow for rotation of lateral arm 70 in a horizontal plane around head array shaft 21 such that the distance between sensor 40, 50 and a user's head is further adjustable. Lateral arm 70 may be fixably secured at a selected position by tightening, or locking, for example, securing mechanism 75.
  • securing mechanism 75 may be a clamp, bolt or any other suitable securing mechanism. In various embodiments, the securing mechanism 75 may be a toolless securing mechanism.
  • Head array body 20 comprises head array shafts 21, shaft attachments 22, enable/disable mechanism 23, mounting plate 24, input jacks 25, output interface (not shown), ball swivel joint 26, ball swivel joint mount 27, wheelchair mount 28 and/or swivel release mechanisms 29, for example, which are discussed in more detail below with regard to FIG. 4 .
  • FIG. 2 is a diagram that illustrates a front view of an exemplary head array system 10 in accordance with an embodiment of the present invention.
  • a head array 10 comprising occipital pad sensor 30, lateral sensors 40 and mode switch 50.
  • Occipital pad sensor 30 is attached to head array body 20 as illustrated in FIGS. 1 , 3 and 5 -7.
  • Lateral arms 60, 70 couple sensors 40, 50 to head array body 20 at shafts 21.
  • Telescoping lateral arm 60 may comprise a telescoping extension 61, securing mechanisms 62-65 and/or rotational mechanisms 66, for example.
  • Swiveling lateral arm 70 may comprise a rod 71, securing mechanisms 73-75 and/or rotational mechanisms 72, for example.
  • the head array 10 illustrated in FIG. 2 shares various characteristics with the head array 10 illustrated in FIG. 1 as described above.
  • FIG. 3 is a diagram that illustrates a side view of an exemplary head array system 10 in accordance with an embodiment of the present invention.
  • a head array 10 comprising head array body 20, occipital pad sensor 30, lateral sensors 40 and mode switch 50.
  • Head array body 20 comprises head array shafts 21, shaft attachments 22, enable/disable mechanism 23, mounting plate 24, input jacks 25, output interface (not shown), ball swivel joint 26, ball swivel joint mount 27, wheelchair mount 28 and/or swivel release mechanisms 29, for example.
  • Occipital pad sensor 30 is attached to head array body 20.
  • Lateral arms 60, 70 couple sensors 40, 50 to head array body 20 at shafts 21.
  • Telescoping lateral arm 60 may comprise a telescoping extension 61, securing mechanisms 62-65 and/or rotational mechanisms 66, for example.
  • Swiveling lateral arm 70 may comprise a rod 71, securing mechanisms 73-75 and/or rotational mechanisms 72, for example.
  • the head array 10 illustrated in FIG. 3 shares various characteristics with the head array 10 illustrated in FIGS. 1-2 as described above.
  • FIG. 4 is a diagram that illustrates a rear view of an exemplary head array system 10 in accordance with an embodiment of the present invention.
  • a head array 10 comprising head array body 20, lateral sensors 40 and mode switch 50.
  • Lateral arms 60, 70 couple sensors 40, 50 to head array body 20 at shafts 21.
  • Telescoping lateral arm 60 may comprise a telescoping extension 61, securing mechanisms 62-65 and/or rotational mechanisms 66, for example.
  • Swiveling lateral arm 70 may comprise a rod 71, securing mechanisms 73-75 and/or rotational mechanisms 72, for example.
  • Head array body 20 comprises head array shafts 21, shaft attachments 22, enable/disable mechanism 23, mounting plate 24, input jacks 25, output interface (not shown), ball swivel joint 26, ball swivel joint mount 27, wheelchair mount 28 and/or swivel release mechanisms 29, for example.
  • Head array shafts 21 are attached to head array body 20 by shaft attachments 22.
  • Each head array shaft 21 may be capable of receiving at least two lateral arms 60, 70.
  • shaft attachments 22 may attach to each head array shaft 21 such that each shaft 21 comprises an upper portion and a lower portion.
  • Each of the upper and lower portions of each head array shaft 21 may be capable of receiving one or more lateral arms 60, 70.
  • Lateral arms 60, 70 may be detachably coupled to shafts 21 such that lateral arms 60, 70 may be removed for cleaning, replacement, and/or reconfiguration of lateral arm 60, 70 placement, among other things, by removing or unlocking, for example, securing mechanism 65, 75.
  • a clinician, technician or caregiver may switch positions of sensor 40 and mode switch 50 by removing each of the lateral arms 60, 70 and reattaching the lateral arms 60, 70 at exchanged positions on head array shafts 21.
  • Lateral arms 60, 70 may be fixably secured at a selected position on shafts 21 by tightening or locking, for example, securing mechanism 65, 75.
  • enable/disable mechanism 23 may provide an indication to a microprocessor (not shown) housed in head array body 20 indicating whether the microprocessor should generate command signals in response to received activation signals from sensors 30, 40, 50. For example, if a disable mode for head array 10 is selected by a user or caregiver using the enable/disable mechanism 23, activation of sensors 30, 40, 50 would not result in commands being sent to power wheelchair and/or accessory components from head array 10. If an enable mode for head array 10 is selected by a user or caregiver using the enable/disable mechanism 23, activation of sensors 30, 40, 50 causes the microprocessor to generate corresponding command signals that are sent to power wheelchair and/or accessory components via an output interface (not shown) on head array body 20. Output interface may be a nine-pin sub-D connector, for example, or any other suitable output interface. Enable/disable mechanism 23 may be a button, switch or any other suitable enable/disable mechanism, for example.
  • enable/disable mechanism 23 may turn the power on (enable) and off (disable). For example, if a disable mode for head array 10 is selected by a user or caregiver using the enable/disable mechanism 23, sensors 30, 40, 50 may not be activated. If an enable mode for head array 10 is selected by a user or caregiver using the enable/disable mechanism 23, activation of sensors 30, 40, 50 causes the microprocessor to generate corresponding command signals that are sent to power wheelchair and/or accessory components via an output interface (not shown) on head array body 20. Output interface may be a nine-pin sub-D connector, for example, or any other suitable output interface.
  • Enable/disable mechanism 23 may be a button, switch or any other suitable enable/disable mechanism, for example.
  • Certain embodiments provide a mounting plate 24 attached to head array body 20 for securing a wheelchair mount 28 that couples the head array 10 to a wheelchair.
  • Wheelchair mount 28 may be any suitable mount capable of holding head array 10 in a fixed position around a user's head.
  • Mounting plate 24 may be any suitable mounting plate capable of attaching to wheelchair mount 28.
  • head array body 20 may be compatible with different mounting plate types.
  • the mounting plate 24 type used may correspond to the wheelchair mount 28 used.
  • mounting plate 24 and wheelchair mount 28 may be integrated into a single component.
  • head array body 20 comprises input jacks 25 operable to receive cable plugs from sensors 30, 40, 50, and the like.
  • existing head array devices are bulky and have disorganized cable management with multiple cable connections at different points on or around the power wheelchair. For example, cables can be untidily attached to an outer surface of the lateral arms. As another example, cables from different switches or sensors of existing head array devices may be routed to separate control boxes located at various locations on or around the power wheelchair. Certain embodiments provide cables neatly routed in channels or grooves 67 of lateral arm 60, 70 and/or lateral arm telescoping extension 61 to a central collection of input jacks 25 at head array body 20.
  • the cable management between sensors 30, 40, 50 and input jacks 25 provides a clean finish.
  • a clinician, technician or caregiver may set-up and/or change the configuration of the head array 10 based on the selection of which cable plug from each sensor 30, 40, 50 is plugged into each one of the input jacks 25. For example, if a cable from occipital pad sensor 30 plugged into a first input jack 25 is instead plugged into a fourth input jack 25, the microprocessor may generate a different command signal in response to receiving an activation signal from occipital pad sensor 30.
  • ferrite beads may be used on cables at or near sensors 30, 40, 50 to allow head array 10 to comply with electromagnetic compatibility (EMC), electromagnetic interference (EMI), and electrostatic discharge (ESD) standards.
  • EMC electromagnetic compatibility
  • EMI electromagnetic interference
  • ESD electrostatic discharge
  • head array body 20 may comprise a ball swivel joint mount 27 including a ball swivel joint 26 at a central portion of head array body 20 allowing movement of the front portion of head array body 20 attached to the occipital pad.
  • sensor 30 may be angled up, down, left or right by rotating the front portion of head array body 20 at ball swivel joint 26 or any other suitable rotational mechanism when a securing mechanism (not shown) is unlocked, loosened, or the like.
  • the securing mechanism may be tightened, locked or the like, such that the front portion of head array body 20 is fixably secured at the selected position.
  • the securing mechanism may be a clamp, bolt or any other suitable securing mechanism.
  • the securing mechanism may be a toolless securing mechanism.
  • the rotational mechanism 26, 27 may be any suitable rotational mechanism, for example.
  • head array body 20 comprises a swivel release mechanism 29 for allowing lateral arms 60, 70 to swing away from a user's head such that a caregiver can approach the user's head, for example.
  • Swing release mechanism 29 may include an index for allowing the lateral arms 60, 70 to snap back in the original position such that manual repositioning of lateral arms 60, 70 is not required.
  • multiple swing release mechanisms 29 may be provided, each of the swing release mechanisms 29 corresponding to a shaft 21 and/or lateral arm 60, 70.
  • a swing release mechanism 29 corresponds to a shaft 21 and more than one lateral arm 60, 70 is coupled to the shaft 21, activation of the swing release mechanism 29 may allow the lateral arms 60, 70 to swing away from a user's head in unison, for example.
  • the head array 10 illustrated in FIG. 4 shares various characteristics with the head array 10 illustrated in FIGS. 1-3 as described above.
  • FIG. 5 is a diagram that illustrates a top view of an exemplary head array system 10 in accordance with an embodiment of the present invention.
  • a head array 10 comprising head array body 20, occipital pad sensor 30, lateral sensors 40 and mode switch 50.
  • Head array body 20 comprises head array shafts 21, shaft attachments 22, enable/disable mechanism 23, mounting plate 24, input jacks 25, output interface (not shown), ball swivel joint 26, ball swivel joint mount 27, wheelchair mount 28 and/or swivel release mechanisms 29, for example.
  • Occipital pad sensor 30 is attached to head array body 20.
  • Lateral arms 60, 70 couple sensors 40, 50 to head array body 20 at shafts 21.
  • Telescoping lateral arm 60 may comprise a telescoping extension 61, securing mechanisms 62-65 and/or rotational mechanisms 66, for example.
  • Swiveling lateral arm 70 may comprise a rod 71, securing mechanisms 73-75 and/or rotational mechanisms 72, for example.
  • the head array 10 illustrated in FIG. 5 shares various characteristics with the head array 10 illustrated in FIGS. 1-4 as described above.
  • FIG. 6 is a diagram that illustrates a side view of an exemplary head array system 10 in accordance with an embodiment of the present invention.
  • a head array 10 comprising head array body 20, occipital pad sensor 30, lateral sensors 40 and mode switch 50.
  • Head array body 20 comprises head array shafts 21, shaft attachments 22, enable/disable mechanism 23, mounting plate 24, input jacks 25, output interface (not shown), ball swivel joint 26, ball swivel joint mount 27, wheelchair mount 28 and/or swivel release mechanisms 29, for example.
  • Occipital pad sensor 30 is attached to head array body 20.
  • Lateral arms 60, 70 couple sensors 40, 50 to head array body 20 at shafts 21.
  • Telescoping lateral arm 60 may comprise a telescoping extension 61, securing mechanisms 62-65 and/or rotational mechanisms 66, for example.
  • the head array 10 illustrated in FIG. 6 shares various characteristics with the head array 10 illustrated in FIGS. 1-5 as described above.
  • FIG. 7 is a diagram that illustrates a bottom view of an exemplary head array system 10 in accordance with an embodiment of the present invention.
  • a head array 10 comprising head array body 20, occipital pad sensor 30, lateral sensors 40 and mode switch 50.
  • Head array body 20 comprises head array shafts 21, shaft attachments 22, enable/disable mechanism 23, mounting plate 24, input jacks 25, output interface (not shown), ball swivel joint 26, ball swivel joint mount 27, wheelchair mount 28 and/or swivel release mechanisms 29, for example.
  • Occipital pad sensor 30 is attached to head array body 20.
  • Lateral arms 60, 70 couple sensors 40, 50 to head array body 20 at shafts 21.
  • Telescoping lateral arm 60 may comprise a telescoping extension 61, securing mechanisms 62-65 and/or rotational mechanisms 66, for example.
  • Swiveling lateral arm 70 may comprise a rod 71, securing mechanisms 73-75 and/or rotational mechanisms 72, for example.
  • the head array 10 illustrated in FIG. 7 shares various characteristics with the head array 10 illustrated in FIGS. 1-6 as described above.
  • a head array system 10 for a power wheelchair comprising a head array body 20 and one or more lateral arms 60, 70.
  • the head array body 20 comprises shafts 21.
  • Each of the shafts 21 comprises lateral arm receiving sections.
  • the one or more lateral arms 60, 70 are detachably coupled to one of the lateral arm receiving sections of one of the shafts 21.
  • the one or more lateral arms 60, 70 comprise a plurality of lateral arms 60, 70.
  • Each of the plurality of lateral arms 60, 70 is detachably coupled to one of the lateral arm receiving sections of one of the shafts 21.
  • the head array system 10 is reconfigurable by removing at least one of the plurality of lateral arms 60, 70 from the one of the lateral arm receiving sections and reattaching the removed at least one of the plurality of lateral arms 60, 70 to another of the lateral arm receiving sections of one of the shafts 21.
  • the head array system 10 comprises one or more of a switch 40, 50 and a sensor 40, 50 coupled to the head array body 20 via the one or more lateral arms 60, 70.
  • the head array body 20 comprises input jacks 25. Each of the input jacks 25 is operable to receive a cable plug from the one or more of the switch 40, 50 and the sensor 40, 50.
  • the head array body 20 comprises a microprocessor and an enable/disable mechanism 23.
  • the enable/disable mechanism 23 instructs the microprocessor to generate command signals in response to received activation signals from the one or more of the switch 40, 50 and the sensor 40, 50 if the enable/disable mechanism 23 is in a selected enable mode.
  • the enable/disable mechanism 23 instructs the microprocessor to disregard received activation signals from the one or more of the switch 40, 50 and the sensor 40, 50 if the enable/disable mechanism 23 is in a selected disable mode.
  • the head array body 20 comprises shaft attachments 22.
  • Each of the shaft attachments 22 attaches to one of the shafts 21 such that each of the shafts 21 comprises an upper portion and a lower portion.
  • Each of the upper portion and the lower portion of each of the shafts 21 is operable to receive one of the plurality of lateral arms 60, 70.
  • the head array body 20 comprises a ball swivel joint mount 27 comprising a ball swivel joint 26 at a central portion of the head array body 20 allowing movement of a front portion of the head array body 20 relative to a rear portion of the head array body 20.
  • the head array body 20 comprises a swivel release mechanism 29 operable to release the one or more lateral arms 60, 70 from an original position such that the one or more lateral arms 60, 70 are rotated away from the head array body 20.
  • the swing release mechanism 29 comprises an index such that the one or more lateral arms snap back in the original position when the one or more lateral arms is rotated toward the head array body 20.
  • the head array system 10 complies with electromagnetic compatibility (EMC), electromagnetic interference (EMI), and electrostatic discharge (ESD) standards.
  • a head array system 10 for a power wheelchair comprising a head array body 20, one or more of a sensor 40, 50 and a switch 40, 50, and one or more lateral arms 60 operable to couple the one or more of the sensor 40, 50 and the switch 40, 50 to the head array body 20.
  • the one or more lateral arms 60 comprise a hollow, curved lateral arm tube 60 attached to the head array body 20, a curved telescoping extension 61 attached to the one or more of the sensor 40, 50 and the switch 40, 50, and a first securing mechanism 62.
  • the telescoping extension 61 is slidable from a selectable non-extended position, where the telescoping extension 61 is substantially housed within the lateral tube 60, to selectable extension positions at least partially outside of the lateral arm tube 60.
  • the first securing mechanism 62 is operable to lock the telescoping extension 61 into one or more of the selectable non-extended positions and the selectable extension positions.
  • the first securing mechanism 62 is a toolless locking ring.
  • the head array system 10 comprises a second securing mechanism 63 operable to secure the one or more of the sensor 40, 50 and the switch 40, 50 to the telescoping extension 61 at a rotational mechanism 66.
  • the second securing mechanism 63 in an unlocked position allows for rotation of the one or more of the sensor 40, 50 and the switch 40, 50 around the rotational mechanism 66 such that a presentation angle of the one or more of the sensor 40, 50 and the switch 40, 50 is selectable, and/or allows for removal of the one or more of the sensor 40, 50 and the switch 40, 50.
  • the second securing mechanism 63 in a locked position fixably secures the one or more of the sensor 40, 50 and the switch 40, 50 to the telescoping extension 61 at the selected presentation angle.
  • the rotational mechanism 66 is a ball joint.
  • the one or more lateral arms 60 comprise a second securing mechanism 64 operable to secure the one or more lateral arms 60 at a selected rotation in a vertical plane.
  • the second securing mechanism 64 in an unlocked position allows for rotation of the one or more lateral arms 60 to a selected position in the vertical plane.
  • the second securing mechanism 64 in a locked position fixably secures the one or more lateral arms at the selected position in the vertical plane.
  • the head array body 20 comprises one or more shafts 21 and the one or more lateral arms 60 comprise a second securing mechanism 65 operable to secure the one or more lateral arms 60 to the head array body 20.
  • the second securing mechanism 65 in an unlocked position allows for rotation of the one or more lateral arms in a horizontal plane around the one or more shafts such that a distance between the one or more of the sensor 40, 50 and the switch 40, 50 and a user's head is selectable, and/or allows for removal of the one or more lateral arms 60.
  • the second securing mechanism 65 in a locked position fixably secures the one or more lateral arms 60 to the one or more shafts 21 of the head array body 20 at the selected distance.
  • a head array system 10 for a power wheelchair comprising a head array body 20 and an occipital pad.
  • the head array body 20 comprises a microprocessor configured to generate command signals in response to sensor activation signals.
  • the occipital pad is attached to the head array body 20 and comprises a plurality of sensors 30. Each of the plurality of sensors 30 is configured to transmit an activation signal to the microprocessor in response to sensor activation.
  • the microprocessor generates a command signal if the microprocessor receives the activation signal from all of the plurality of sensors 30 in the occipital pad, and disregards the activation signal if the microprocessor receives the activation signal from less than all of the plurality of sensors 30 in the occipital pad.

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Claims (17)

  1. Kopfanordnungssystem (10) für einen angetriebenen Rollstuhl, umfassend:
    ein Kopfanordnungsgehäuse (20), der Wellen (21) umfasst, wobei jede der Wellen Seitenarmaufnahmeabschnitte umfasst; und
    mindestens einen Seitenarm (60, 70), der lösbar mit einem der Seitenarmaufnahmeabschnitte einer der Wellen (21) gekoppelt ist; und
    mindestens einen Schalter oder einen Sensor (40, 50), der über den mindestens einen Seitenarm (60, 70) mit dem Kopfanordnungsgehäuse (20) gekoppelt ist,
    wobei das Kopfanordnungsgehäuse (20) einen Mikroprozessor und einen Aktivierungs-/Deaktivierungsmechanismus (23) umfasst, wobei der Aktivierungs-/Deaktivierungsmechanismus dazu ausgelegt ist, den Mikroprozessor anzuweisen:
    Befehlssignale als Reaktion auf empfangene Aktivierungssignale von mindestens einem des Schalters und des Sensors (40, 50) zu erzeugen, wenn sich der Aktivierungs-/Deaktivierungsmechanismus (23) in einem ausgewählten Aktivierungsmodus befindet, und
    empfangene Aktivierungssignale von mindestens einem des Schalters und des Sensors (40, 50) zu ignorieren, wenn sich der Aktivierungs-/Deaktivierungsmechanismus (23) in einem ausgewählten Deaktivierungsmodus befindet.
  2. Kopfanordnungssystem (10) gemäß Anspruch 1, wobei der mindestens eine Seitenarm (60, 70) eine Vielzahl von Seitenarmen (60, 70) umfasst, wobei jeder der Vielzahl von Seitenarmen abnehmbar mit einem der Seitenarmaufnahmeabschnitte einer der Wellen (21) gekoppelt ist.
  3. Kopfanordnungssystem (10) gemäß Anspruch 2, wobei das Kopfanordnungssystem rekonfigurierbar ist, indem mindestens einer der Vielzahl von Seitenarme (60, 70) von dem einen der Seitenarmaufnahmeabschnitte entfernt wird und der entfernte mindestens eine der Vielzahl von Seitenarmen (60, 70) wieder an einem anderen der Seitenarmaufnahmeabschnitte einer der Wellen (21) angebracht wird.
  4. Kopfanordnungssystem (10) gemäß Anspruch 1, wobei das Kopfanordnungsgehäuse (20) Eingangsbuchsen (25) umfasst, wobei die Eingangsbuchsen (25) jeweils dazu betreibbar sind, einen Kabelstecker von mindestens einem des Schalters und des Sensors (40, 50) aufzunehmen.
  5. Kopfanordnungssystem (10) gemäß Anspruch 2, wobei das Kopfanordnungsgehäuse (20) Wellenbefestigungen (22) umfasst, wobei jede der Wellenbefestigungen (22) an einer der Wellen (21) derart angebracht ist, dass jeder der Wellen einen oberen Abschnitt und einen unteren Abschnitt umfasst, und wobei jeder der oberen Abschnitte und der unteren Abschnitte jeder Welle betätigbar ist, um einen der Vielzahl von Seitenarmen (60, 70) aufzunehmen.
  6. Kopfanordnungssystem (10) gemäß Anspruch 1, wobei das Kopfanordnungsgehäuse (20) umfasst:
    (i) eine Kugeldrehgelenkhalterung (27), die ein Kugeldrehgelenk (26) an einem mittigen Abschnitt des Kopfanordnungsgehäuses (20) umfasst, das eine Bewegung eines vorderen Abschnitts des Kopfanordnungsgehäuses (20) relativ zu einem hinteren Abschnitt des Kopfanordnungsgehäuses (20) ermöglicht;
    oder
    (ii) einen Schwenkfreigabemechanismus (29), der dazu betätigbar ist, den mindestens einen Seitenarm (60, 70) aus einer ursprünglichen Position freizugeben, sodass der mindestens eine Seitenarm von dem Kopfanordnungsgehäuse (20) weggedreht wird, wobei der Schwenkfreigabemechanismus (29) einen Index umfasst, sodass der mindestens eine Seitenarm in die ursprüngliche Position zurückschnappt, wenn der mindestens eine Seitenarm zu dem Kopfanordnungsgehäuse (20) hin gedreht wird.
  7. Kopfanordnungssystem (10) gemäß Anspruch 1, wobei das Kopfanordnungssystem den Normen für elektromagnetische Verträglichkeit (EMC), elektromagnetische Interferenz (EMI) und elektrostatische Entladung (ESD) entspricht.
  8. Kopfanordnungssystem (10) gemäß Anspruch 1, wobei der mindestens eine Seitenarm (60, 70) umfasst:
    ein hohles, gekrümmtes Seitenarmrohr, das am Kopfanordnungsgehäuse (20) befestigt ist,
    eine gekrümmte Teleskopverlängerung (61), die an mindestens einem des Sensors und des Schalters (40, 50) angebracht ist, wobei die Teleskopverlängerung aus einer wählbaren nicht ausgefahrenen Position, in der die Teleskopverlängerung im Wesentlichen innerhalb des seitlichen Rohrs untergebracht ist, in wählbare ausgefahrene Position mindestens teilweise außerhalb des Seitenarmrohrs verschiebbar ist, und
    einen ersten Sicherungsmechanismus (62), der dazu betätigbar ist, die Teleskopverlängerung (61) in mindestens einer der wählbaren nicht ausgefahrenen Position und der wählbaren ausgefahrenen Positionen zu verriegeln.
  9. Kopfanordnungssystem (10) gemäß Anspruch 8, wobei der erste Sicherungsmechanismus (62) ein werkzeugloser Verriegelungsring ist.
  10. Kopfanordnungssystem (10) gemäß Anspruch 8, umfassend einen zweiten Sicherungsmechanismus (63), der dazu betätigbar ist, mindestens einen des Sensors und des Schalters (40, 50) an der Teleskopverlängerung (61) an einem Drehmechanismus zu befestigen.
  11. Kopfanordnungssystem (10) gemäß Anspruch 10, wobei der zweite Sicherungsmechanismus (63) in einer entriegelten Position mindestens eines ermöglicht von:
    Drehung des mindestens einen des Sensors und des Schalters (40, 50) um den Drehmechanismus so, dass ein Präsentationswinkel des mindestens einen des Sensors und des Schalters auswählbar ist, und
    Entfernen des mindestens einen des Sensors und des Schalters.
  12. Kopfanordnungssystem (10) gemäß Anspruch 11, wobei
    (i) der zweite Sicherungsmechanismus (63) in einer verriegelten Position das mindestens einen des Sensors und des Schalters (40, 50) an der Teleskopverlängerung (61) in dem gewählten Präsentationswinkel fixiert;
    oder
    (ii) der Drehmechanismus ein Kugelgelenk ist.
  13. Kopfanordnungssystem (10) gemäß Anspruch 8, wobei der mindestens eine Seitenarm (60, 70) einen zweiten Sicherungsmechanismus (64) umfasst, der dazu betätigbar ist, den mindestens einen Seitenarm in einer ausgewählten Drehung in einer vertikalen Ebene zu sichern, wobei der zweite Sicherungsmechanismus in einer unverriegelten Position eine Drehung des mindestens einen Seitenarms in eine ausgewählte Position in der vertikalen Ebene ermöglicht, und wobei der zweite Sicherungsmechanismus in einer verriegelten Position den mindestens einen Seitenarm (60, 70) in der ausgewählten Position in der vertikalen Ebene fest sichert.
  14. Kopfanordnungssystem (10) gemäß Anspruch 8, wobei das Kopfanordnungsgehäuse (20) mindestens einen Welle (21) umfasst und der mindestens eine Seitenarm (60, 70) einen zweiten Sicherungsmechanismus (65) umfasst, der betätigt werden kann, um den mindestens einen Seitenarm an dem Kopfanordnungsgehäuse (20) zu befestigen.
  15. Kopfanordnungssystem (10) gemäß Anspruch 14, wobei der zweite Sicherungsmechanismus (65) in einer entriegelten Position mindestens eines ermöglicht von:
    Drehen des mindestens einen Seitenarms (60, 70) in einer horizontalen Ebene um die mindestens eine Welle (21) so, dass ein Abstand zwischen dem mindestens einen Sensor und dem Schalter (40, 50) und dem Kopf eines Benutzers wählbar ist, und
    Entfernen des mindestens einen Seitenarms (60, 70) .
  16. Kopfanordnungssystem (10) gemäß Anspruch 15, wobei der zweite Sicherungsmechanismus (65) in einer verriegelten Position den mindestens einen Seitenarm (60, 70) an der mindestens einen Welle (21) des Kopfanordnungsgehäuses (20) in dem ausgewählten Abstand fixiert.
  17. Kopfanordnungssystem (10) gemäß Anspruch 1, umfassend:
    eine Vielzahl von Sensoren (30) in einem Okzipitalpolster, das am Kopfanordnungsgehäuse (20) angebracht ist, wobei jeder der Vielzahl von Sensoren dazu ausgelegt ist, als Reaktion auf eine Sensoraktivierung ein Aktivierungssignal an den Mikroprozessor zu senden,
    wobei der Mikroprozessor dazu ausgelegt ist:
    ein Befehlssignal zu erzeugen, wenn der Mikroprozessor das Aktivierungssignal aus allen der Vielzahl von Sensoren (30) im Okzipitalpolster empfängt, und
    das Aktivierungssignal zu ignorieren, wenn der Mikroprozessor das Aktivierungssignal aus weniger als allen der Vielzahl von Sensoren (30) im Okzipitalpolster empfängt.
EP12870919.3A 2012-03-05 2012-03-05 Verstellbares und rekonfigurierbares kopfarraysystem für einen angetriebenen rollstuhl Active EP2822796B1 (de)

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PCT/US2012/027718 WO2013133788A1 (en) 2012-03-05 2012-03-05 Adjustable and reconfigurable head array system for a power wheelchair

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CN104159771B (zh) 2017-04-12
EP2822796A1 (de) 2015-01-14
WO2013133788A1 (en) 2013-09-12
EP2822796A4 (de) 2015-09-09

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